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/*
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File: acl_init.c
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Copyright (C) 1999, 2000
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Andreas Gruenbacher, <a.gruenbacher@bestbits.at>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#include "libacl.h"
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acl_obj *
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__acl_init_obj(int count)
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{
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acl_obj *acl_obj_p = new_obj_p(acl);
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if (!acl_obj_p)
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return NULL;
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acl_obj_p->aused = 0;
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acl_obj_p->aprev = acl_obj_p->anext = (acl_entry_obj *)acl_obj_p;
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acl_obj_p->acurr = (acl_entry_obj *)acl_obj_p;
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/* aprealloc points to an array of pre-allocated ACL entries.
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Entries between [aprealloc, aprealloc_end) are still available.
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Pre-allocated entries are consumed from the last entry to the
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first and aprealloc_end decremented. After all pre-allocated
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entries are consumed, further entries are malloc'ed.
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aprealloc == aprealloc_end is true when no more pre-allocated
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entries are available. */
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if (count > 0)
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acl_obj_p->aprealloc = (acl_entry_obj *)
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malloc(count * sizeof(acl_entry_obj));
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else
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acl_obj_p->aprealloc = NULL;
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if (acl_obj_p->aprealloc != NULL)
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acl_obj_p->aprealloc_end = acl_obj_p->aprealloc + count;
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else
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acl_obj_p->aprealloc_end = NULL;
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return acl_obj_p;
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}
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/* 23.4.20 */
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acl_t
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acl_init(int count)
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{
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acl_obj *obj;
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if (count < 0) {
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errno = EINVAL;
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return NULL;
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}
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obj = __acl_init_obj(count);
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return int2ext(obj);
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}
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